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Table 1 Clinical characteristics of patients and risk factors associated with oral colonisation by resistant bacteria

From: Oral colonisation by antimicrobial-resistant Gram-negative bacteria among long-term care facility residents: prevalence, risk factors, and molecular epidemiology

Variable

Subjects with ARB-positive, n = 37

Subjects with ARB-negative, n = 61

Univariate analysis

P-value

n (%)

OR

95% CI

 

Age ≥ 90 years, n (%)

12 (32.4)

13 (21.3)

1.77

0.71–4.45

0.22

Male sex, n (%)

14 (37.8)

15 (24.6)

1.87

0.77–4.52

0.16

Ward, n (%)

    

0.92

 1st floor

10 (27.0)

17 (27.9)

0.96

0.38–2.40

0.93

 2nd floor

14 (37.8)

25 (41.0)

0.88

0.38–2.03

0.76

 3rd floor

13 (35.1)

19 (31.1)

1.20

0.50–2.85

0.68

Dementia

15 (40.5)

31 (50.8)

0.66

0.29–1.51

0.32

Strokes (cerebral infarction/ cerebral haemorrhage)

16 (43.2)

11 (18.0)

3.46

1.38–8.70

0.007**

Cardiovascular diseases

15 (40.5)

19 (31.1)

1.51

0.64–3.53

0.34

Diabetes

10 (27.0)

10 (16.4)

1.89

0.70–5.10

0.21

Cancers

1 (2.7)

5 (8.2)

  

0.40a

Fractures

5 (13.5)

11 (18.0)

0.71

0.23–2.24

0.56

Arthropathy

2 (5.4)

2 (3.3)

  

0.63a

Dysarthria or dysphagia

13 (35.1)

12 (19.7)

2.21

0.88–5.57

0.09

Inappropriate oral care

18 (48.6)

26 (42.6)

1.28

0.56–2.90

0.56

Denture wearing

24 (64.9)

32 (52.5)

1.67

0.72–3.88

0.23

Percutaneous endoscopic gastrotomy tubes (PEG tubes)

6 (16.2)

0 (0.0)

  

0.002a,**

  1. OR Odds ratio, CI Confidence interval
  2. a Fisher’s Exact Test
  3. *P value ≤ 0.05, **P value ≤ 0.01